sediment size的例句大全

The sediment size changes sharply in two reaches of the middle and lower Yangtze River. Sediment type changes from gravel into sand in one zone, and another from sand into mud.

长江中下游河床沉积物在两个河段出现了粒径的急剧变化和沉积物类型的转换，一个是从砾石转变为砂，另一个是从砂转变为泥。

By the analysis of theory, the research elaborates that the threshold condition for incipient motion of non-uniform sediment with a specific size, is directly related to flow condition, sediment size distribution, location of bed material, and income sediment from upstream.

本项研究从理论上论述了非均匀沙某级粒径的临界可动条件不仅与水流条件有关，也与泥沙级配组成有关，还与床沙位置、上游来沙条件有密切的关系。

If the wave condition is same, with the increasing of sediment size, the scour and deposition patterns can be classified into DSD type, SDSD type and DSDS type.

在相同波浪条件下，随着泥沙相对粒径的由细变粗，堤前冲淤形态可分为DSD型、SDSD型和DSDS型。

Through researching grain size characteristics of north part of the Tengger Desert, we get the results: ( 1) dunes sediment of north margin of the Tengger Desert donot include gravel, very coarse sand and silt.

研究腾格里沙漠北缘沙丘粒度特征得出：（1）腾格里沙漠北缘沙丘沉积物不含砾石、极粗砂和粉沙。

TN distribution was mostly controlled by terrestrial inputs and sediment grain size.

TN的分布主要受陆源物质输入及沉积物粒度控制。

It shows that the sediment transporting capacity not only is related to the particle size of sediment, but also mainly depends on the slope and coefficient of fluvial facies.

从公式可以看出，输沙能力的大小，除与泥沙粗细有关外，主要决定于坡降和河相系数。

Study on Soil and Sediment Particle Size Distribution and Nutrient Loss

土壤及泥沙颗粒组成与养分流失的研究

Sediment particle size analysis is restore ancient climate, study ancient environment evolution of a key, according to the size and distribution characteristics can differentiate sedimentary types and geological process.

沉积物粒度机械组成和特征分析是研究恢复古代气候和环境演变的一个重要指标，根据沉积物粒度大小情况及其分布特征，可以推测沉积物的类型及其沉积地质过程。

Particle-size effects of heavy metal release from Wei River sediment

渭河沉积物中重金属释放的粒度效应

Scour and Sediment Particle Size Change Around Pile Base Acted by Rectilinear Current

往复海流作用下桩基局部冲刷及海底沉积物粒度变化

The results showed that the aggregate size distribution of the eroded sediment was drastically different to that of the original soil.

结果表明，侵蚀泥沙的团聚体组成和原来土壤有很大差异，0.25mm团聚体占侵蚀泥沙重量的81%，而在原土壤中只有16%；

The grain size of the sediment in distributary mouth bar is coarser than that in the crevasse splay sediment.

三角洲前缘河口砂坝沉积物粒度较平原决口扇粗。

In the high mountain area under arid climate, stream sediment geochemical survey at the 1/ 50000 scale was carried out with the sampling density of 4 points per square kilometer. The grain size of the sample in initial preparation stage was-20~+ 120 mesh.

在干旱高山景观区，以4点/km2的采样密度，选择-20~+120目粒级段为初加工粒级，开展1∶5万水系沉积物地球化学测量。

It is shown from the calculation results that there was a significant relationship between suspended sediment median grain size and concentration during the neap tide in November 2003, but there was not a significant relationship between the two during the spring tide;

结果表明，2003年11月小潮期间，悬沙中值粒径与悬沙浓度存在着显著的指数关系，在大潮期间没有显著关系；

The vertical variation of Hg contents in the relic site strata are related to the regional human activities, climate conditions, vegetation status and sediment grain size, namely the regional natural environment evolution.

同时发现，汞含量在地层中呈垂直波动变化，这反映了该地区人类生产活动、气候条件、植被状况和剖面沉积物粒度大小等的影响，即与该地区人类活动以及自然环境演变有相当关系。

representative diameter of bed material and median size of sediment in transport

床沙代表粒径与输移泥沙中值粒径的关系

effect of sediment sink of lower yellow river on grain size of sediment flux to the sea

黄河下游泥沙沉积汇对入海悬移质泥沙粒度的影响

on similarity scale of grain size of sediment model

泥沙模型的粒径相似比尺问题

analysis on warping dam construction-based sediment grain size variation in the middle yellow river

基于淤地坝建设的黄河中游泥沙粒径变化分析

More hematite designates cold and drought sediment environment, and indicates sediments grain size is coarse.

而较多赤铁矿的存在则指示干冷的沉积环境, 反映沉积物颗粒粗.